If it was movement of the air, why wouldn't blowing it do the same damage?
I would suspect that it is contact with the components that causes the problems. Vacuum cleaner ends are usually plastic or rubber, and that is a great concern about static electricity. Especially one that had been used to clean a carpet before being used on the computer.
I would think a metal wand on the vacuum, that has a grounding strap on it, would work fine. But then again, what the heck do I know. Maybe a garden hose would work better if you only used half pressure....LOL
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